One-piece ratchet-wrench



W. KAYLOR. ONE-PIECE RATCHET WRENCH. APPLICATION FILED APR. 1, 1919.

1,341,178. Patented May 25,192

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UNITED STATES PATENT OFFICE.

WILLIAM KAYLOR, OF MUSKOGEE, OKLAHOMA, ASSIGNOR OF ONE-HALF TO J. L.KIMMEL, 0F MUSKOGEE, OKLAHOMA.

ONE-PIECE RATCHET-WRENCH.

Specification of Letters Patent.

Patented May 25, 1920.

To all whom it may concern:

Be it known that I, WILLIAM KAYLOR, a citizen of the United States,residing at 1116 Houston street, Muskogee, in the county of Muskogee andState of Oklahoma, have mvented a new and useful One-Piece Ratchet-Wrench, of which the following is a specifioation.

My invention relates. to improvements 1n open end wrenches and itsobgect1s to provide an extremely simple an inexpenslve, yet a highly eflicientand reliable wrench which may be constructed of one piece of metal andat the same time operate as a ratchet wrench, being capable of turning anut on one stroke and turning freely on said nut during its returnmovement.

With the foregoing in view, the inventlon resides in the specificconstruction of the wrench hereinafter described and claimed, thedescriptive matter being supplemented by the accompanying drawing. I

Figure 1 illustrates a side elevation of a wrench constructed inaccordance with my invention, showing its relation with a nut on itsworking stroke.

Fig. 2 is a view similar to Fig. 1 illustrating the manner in .which thewrench releases the nut on its return strokes.

In constructing the wrench, the usual shank or handle 1 is provided onone or both ends with a head 2. Two of these heads are shown but sincethe constructions of both are the same, only one will be described.

A nut receiving notch 3 is formed in the head 2 and is provided with asubstantially central flat face 4 for contact with one facet of ahexagonal nut such as The portions of the head at opposite ends of theface 4, form two jaws 6 and 7 which I have termed a leadin jaw and afollowing jaw respectively, 811108 the former moves ahead of the latterduring the working strokes of the wrench. The following jaw 7 isprovided with a flat inner face 8 for contact with another facet of thenut 5, with a short face 9 to blnda ainst the next facet, and with arounded ront end 10 which merges into said short face 9. The leading jaw6 is provided with a flat with one facet of the nut, and with a flatouter face 12 disposed at an obtuse angle to said face 11, said anglebeing greater than that existing between two adjacent facets of the nut.This angular relation permlts the wrench, on its return strokes, to rockfreely upon the rounded jaw end 10 as a fulcrum, (see Fig. 2). Byrocking the wrench in this manner and at the same time holding itagainst the nut, it will take another hold of the latter, thus allowingthe device to be used in the same manner as a ratchet wrench, whichproduces a great saving in time over the ordinary open end wrench whichmust be alternately removed from and applied to the nut.

claim:

An open end wrench comprising a head having a nut receiving notchprovided with a substantially central flat face for contact with onefacet of a hexagonal nut, the portions of the head at opposite ends ofsaid face forming a leading jaw and a following jaw; said following jawhaving an inner fiat face for contact with another facet of the nut, ashort outer face to bind against the next facet of the nut, and arounded front end mer ing into said short face and providing a ful crumupon which the wrench rocks on its return strokes; said leading jawhaving an inner fiat face to contact with the nut facet opposite saidshort face, and an outer flat face at an angle to said inner facegreater than the angle between two nut facets, permitting rocking of thewrench upon the aforesaid fulcrum.

WILLIAM KAYLOR.

inner face 11 for contact

